28055335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{72871}}^1$

素因数の和:72894

約数の個数: 16

約数和(自身を含む): 41974272

約数和(自身を除く): 13918937

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 72871, 364355, 510097, 801581, 2550485, 4007905, 5611067, 28055335]

約数ペア:

[(1, 28055335), (5, 5611067), (7, 4007905), (11, 2550485), (35, 801581), (55, 510097), (77, 364355), (385, 72871)]